Air quality in Bolton
The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.
PM2.5
26.1 µg/m³
WHO guideline 15
PM10
26.3 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
7:00 AM
💨
PM2.5 26.1 µg/m³
80 Moderate
8:00 AM
💨
PM2.5 27 µg/m³
82 Moderate
9:00 AM
💨
PM2.5 25.7 µg/m³
80 Moderate
10:00 AM
💨
PM2.5 23.8 µg/m³
76 Moderate
11:00 AM
💨
PM2.5 19.7 µg/m³
67 Moderate
12:00 PM
💨
PM2.5 14.5 µg/m³
56 Moderate
1:00 PM
💨
PM2.5 9.8 µg/m³
41 Good
2:00 PM
💨
PM2.5 8.6 µg/m³
36 Good
3:00 PM
💨
PM2.5 7.8 µg/m³
33 Good
4:00 PM
💨
PM2.5 7.3 µg/m³
30 Good
5:00 PM
💨
PM2.5 7.3 µg/m³
30 Good
6:00 PM
💨
PM2.5 8.1 µg/m³
34 Good
Next few days daily max · US EPA AQI
Mon
💨
Moderate · UV Moderate
82
Tue
💨
Moderate · UV Moderate
56
Wed
💨
Good · UV Moderate
30
Thu
💨
Good · UV Moderate
41
Fri
💨
Good · UV Moderate
47
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain